With a seemingly endless supply of clip art on the Internet, you might think there are images available to suit every application and occasion, but that isn't always the case. Just ask anyone who's ...
In The Overhead Projector: Don’t Overlook It (Part 1), I explained why it’s better to use a projector (be it an old-fashioned overhead or LCD) than to write on the board. Now we turn to how to use a ...
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